Finding the Fourth Proportional to 1,264.72, 1,745.25 and 705.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.72 : 1,745.25 = 705.16 : x
2. Step 2: Convert to fraction form
   1,264.72/1,745.25 = 705.16/x
3. Step 3: Cross multiply
   1,264.72x = 1,745.25 × 705.16
4. Step 4: Simplify right side
   1,264.72x = 1,230,680.49
5. Step 5: Solve for x
   x = 1,230,680.49/1,264.72
6. Step 6: Final answer
   x = 973.09